/* Lighthouse Notes — shared stylesheet
   Hand-written. Chart grid, brass and sea-foam. No external assets. */

:root {
  color-scheme: light dark;

  --bg: #f2ecdf;
  --bg-deep: #e7dfcb;
  --surface: #fbf8f0;
  --surface-2: #f5efe2;
  --ink: #14273b;
  --ink-soft: #33485c;
  --muted: #55677a;
  --foam: #1d6a5f;
  --foam-soft: #d3e9e1;
  --brass: #85561a;
  --amber: #d9972a;
  --red: #a8382c;
  --line: rgba(20, 39, 59, 0.16);
  --line-strong: rgba(20, 39, 59, 0.32);
  --grid: rgba(29, 106, 95, 0.065);
  --grid-strong: rgba(29, 106, 95, 0.11);
  --shadow: 0 1px 2px rgba(14, 39, 64, 0.06), 0 10px 28px -16px rgba(14, 39, 64, 0.35);

  /* the night sea never changes */
  --night: #0b1d31;
  --night-2: #10294a;
  --night-ink: #ece6d6;
  --night-muted: #b5c3cc;
  --beam: #ffe3a1;

  --serif-display: "Iowan Old Style", "Palatino Linotype", Palatino, "Book Antiqua", "URW Palladio L", Georgia, serif;
  --serif-text: Charter, "Bitstream Charter", "Sitka Text", Cambria, Georgia, serif;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;

  --radius: 10px;
  --wrap: 1160px;
  --read: 68ch;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0a1828;
    --bg-deep: #071221;
    --surface: #10243a;
    --surface-2: #0d1f33;
    --ink: #ece6d6;
    --ink-soft: #cdd3d2;
    --muted: #a2b2bd;
    --foam: #8fd3c1;
    --foam-soft: #15363b;
    --brass: #e8b866;
    --amber: #f0b44a;
    --red: #ef8a7d;
    --line: rgba(143, 211, 193, 0.17);
    --line-strong: rgba(143, 211, 193, 0.34);
    --grid: rgba(143, 211, 193, 0.04);
    --grid-strong: rgba(143, 211, 193, 0.075);
    --shadow: 0 1px 2px rgba(0, 0, 0, 0.3), 0 12px 30px -16px rgba(0, 0, 0, 0.75);
  }
}

/* ---------- base ---------- */

*, *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; scroll-padding-top: 5.5rem; }

body {
  margin: 0;
  color: var(--ink);
  background-color: var(--bg);
  background-image:
    linear-gradient(var(--grid-strong) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-strong) 1px, transparent 1px),
    linear-gradient(var(--grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid) 1px, transparent 1px);
  background-size: 240px 240px, 240px 240px, 48px 48px, 48px 48px;
  background-position: -1px -1px;
  font: 400 1.0625rem/1.68 var(--serif-text);
  text-rendering: optimizeLegibility;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

main { flex: 1 0 auto; }

h1, h2, h3, h4 {
  font-family: var(--serif-display);
  font-weight: 600;
  line-height: 1.2;
  color: var(--ink);
  letter-spacing: -0.005em;
  margin: 0 0 0.5em;
  text-wrap: balance;
}
h1 { font-size: clamp(2.1rem, 1.5rem + 2.6vw, 3.4rem); }
h2 { font-size: clamp(1.55rem, 1.25rem + 1.2vw, 2.1rem); }
h3 { font-size: 1.3rem; }
h4 { font-size: 1.08rem; }

p { margin: 0 0 1em; }

a { color: var(--foam); text-decoration-thickness: 1px; text-underline-offset: 0.18em; }
a:hover { color: var(--brass); text-decoration-thickness: 2px; }

:focus-visible {
  outline: 3px solid var(--amber);
  outline-offset: 3px;
  border-radius: 3px;
}

img, svg { max-width: 100%; }

code, kbd, .mono { font-family: var(--mono); font-size: 0.88em; }

hr { border: 0; border-top: 1px solid var(--line); margin: 2.5rem 0; }

abbr[title] { text-decoration: underline dotted; text-underline-offset: 0.2em; cursor: help; }

.visually-hidden {
  position: absolute !important;
  width: 1px; height: 1px;
  overflow: hidden; clip: rect(0 0 0 0); clip-path: inset(50%);
  white-space: nowrap;
}

.skip {
  position: absolute; left: 1rem; top: -4rem; z-index: 50;
  background: var(--amber); color: #1a1205; padding: 0.6rem 1rem;
  border-radius: 6px; font: 600 0.95rem var(--sans); text-decoration: none;
}
.skip:focus { top: 1rem; }

.wrap { width: min(100% - 32px, var(--wrap)); margin-inline: auto; }
.read { max-width: var(--read); }

/* ---------- header ---------- */

.site-header {
  position: sticky; top: 0; z-index: 20;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  -webkit-backdrop-filter: saturate(1.2) blur(10px);
  backdrop-filter: saturate(1.2) blur(10px);
  border-bottom: 1px solid var(--line);
}
@supports not (background: color-mix(in srgb, red 50%, blue)) {
  .site-header { background: var(--bg); }
}

.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  gap: 1rem; min-height: 4.25rem; flex-wrap: wrap;
}

.brand {
  display: inline-flex; align-items: center; gap: 0.7rem;
  text-decoration: none; color: var(--ink);
}
.brand:hover { color: var(--ink); }
.brand-mark { width: 36px; height: 36px; flex: none; }
.brand-text {
  font: 600 1.2rem/1.1 var(--serif-display);
  display: flex; flex-direction: column;
}
.brand-text small {
  font: 400 0.72rem/1.3 var(--mono);
  color: var(--muted); letter-spacing: 0.04em; margin-top: 0.2rem;
}

.site-nav ul {
  list-style: none; margin: 0; padding: 0;
  display: flex; flex-wrap: wrap; gap: 0.15rem;
}
.site-nav a {
  display: block; padding: 0.45rem 0.75rem; border-radius: 999px;
  font: 500 0.94rem/1.2 var(--sans); color: var(--ink-soft); text-decoration: none;
}
.site-nav a:hover { color: var(--ink); background: var(--foam-soft); }
.site-nav a[aria-current="page"] {
  color: var(--ink);
  background: var(--surface);
  box-shadow: inset 0 0 0 1px var(--line-strong);
}

.nav-toggle {
  display: none;
  font: 600 0.9rem var(--sans); color: var(--ink);
  background: var(--surface); border: 1px solid var(--line-strong);
  border-radius: 999px; padding: 0.45rem 0.95rem; cursor: pointer;
  align-items: center; gap: 0.45rem;
}
.nav-toggle svg { width: 16px; height: 16px; }

@media (max-width: 880px) {
  .js .nav-toggle { display: inline-flex; }
  .js .site-nav { display: none; width: 100%; padding-bottom: 0.9rem; }
  .js .site-nav.is-open { display: block; }
  .site-nav ul { gap: 0.3rem; }
  .js .site-nav ul { flex-direction: column; }
  .js .site-nav a { padding: 0.7rem 0.9rem; border-radius: 8px; }
}

/* ---------- buttons, chips ---------- */

.btn {
  display: inline-flex; align-items: center; gap: 0.5rem;
  padding: 0.72rem 1.2rem; border-radius: 999px;
  font: 600 0.95rem/1.1 var(--sans); text-decoration: none;
  border: 1px solid transparent; cursor: pointer;
  transition: transform 0.15s ease, background-color 0.15s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn-brass { background: var(--amber); color: #1d1405; }
.btn-brass:hover { background: #e8a93c; color: #1d1405; }
.btn-ghost { color: var(--night-ink); border-color: rgba(236, 230, 214, 0.45); }
.btn-ghost:hover { color: #fff; background: rgba(236, 230, 214, 0.1); }
.btn-line { color: var(--ink); border-color: var(--line-strong); background: var(--surface); }
.btn-line:hover { color: var(--ink); border-color: var(--foam); }

.chip-row { display: flex; flex-wrap: wrap; gap: 0.5rem; margin: 0 0 1.5rem; padding: 0; list-style: none; }
.chip {
  font: 500 0.9rem/1 var(--sans); color: var(--ink-soft);
  background: var(--surface); border: 1px solid var(--line-strong);
  padding: 0.6rem 0.95rem; border-radius: 999px; cursor: pointer;
}
.chip:hover { border-color: var(--foam); color: var(--ink); }
.chip[aria-pressed="true"] { background: var(--ink); color: var(--bg); border-color: var(--ink); }
.chip .n { font-family: var(--mono); font-size: 0.78rem; opacity: 0.75; margin-left: 0.3rem; }

/* ---------- kicker / labels ---------- */

.kicker {
  font: 500 0.78rem/1.4 var(--mono);
  letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--brass); margin: 0 0 0.9rem;
  display: flex; align-items: center; gap: 0.6rem; flex-wrap: wrap;
}
.kicker::before {
  content: ""; width: 28px; height: 1px; background: currentColor; display: inline-block;
}

.tag {
  display: inline-block; font: 500 0.72rem/1 var(--mono); letter-spacing: 0.08em;
  text-transform: uppercase; color: var(--foam);
  border: 1px solid var(--line-strong); border-radius: 4px; padding: 0.3rem 0.45rem;
}

/* ---------- hero (index) ---------- */

.hero {
  position: relative; overflow: hidden;
  background:
    radial-gradient(1200px 500px at 85% 0%, rgba(255, 227, 161, 0.08), transparent 60%),
    linear-gradient(180deg, var(--night) 0%, var(--night-2) 100%);
  color: var(--night-ink);
  border-bottom: 3px double rgba(217, 151, 42, 0.55);
}
.hero::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background-image:
    linear-gradient(rgba(143, 211, 193, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(143, 211, 193, 0.06) 1px, transparent 1px);
  background-size: 48px 48px;
}
.hero-inner {
  position: relative;
  display: grid; grid-template-columns: 1.05fr 1fr; align-items: center;
  gap: 2rem; padding: 4.5rem 0 3.5rem;
}
.hero h1 { color: #fbf6e8; margin-bottom: 0.4em; }
.hero h1 em { font-style: italic; color: var(--beam); }
.hero .kicker { color: #e8c27a; }
.hero p.lede { font-size: 1.15rem; color: var(--night-muted); max-width: 36rem; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 0.75rem; margin-top: 1.6rem; }
.hero-art { width: 100%; height: auto; display: block; filter: drop-shadow(0 20px 40px rgba(0, 0, 0, 0.35)); }

.hero-art .beam {
  transform-box: view-box;
  transform-origin: 420px 131px;
  animation: sweep 11s ease-in-out infinite;
}
.hero-art .flare { animation: flare 11s ease-in-out infinite; transform-box: view-box; transform-origin: 420px 131px; }
.hero-art .swell { animation: swell 9s ease-in-out infinite alternate; }
.hero-art .swell.b { animation-duration: 12s; animation-delay: -4s; }
.hero-art .twinkle { animation: twinkle 4s ease-in-out infinite alternate; }
.hero-art .twinkle.b { animation-delay: -2s; }

@keyframes sweep {
  0%, 100% { transform: scaleX(1); opacity: 0.9; }
  23%, 27% { opacity: 0.12; }
  50% { transform: scaleX(-1); opacity: 0.9; }
  73%, 77% { opacity: 0.12; }
}
@keyframes flare {
  0%, 15%, 35%, 65%, 85%, 100% { opacity: 0.25; transform: scale(0.8); }
  25%, 75% { opacity: 1; transform: scale(1.35); }
}
@keyframes swell { from { transform: translateX(-14px); } to { transform: translateX(14px); } }
@keyframes twinkle { from { opacity: 0.35; } to { opacity: 1; } }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
  .hero-art .beam { transform: scaleX(1); opacity: 0.7; }
  .hero-art .flare { opacity: 0.5; }
}

@media (max-width: 880px) {
  .hero-inner { grid-template-columns: 1fr; padding: 3rem 0 2.5rem; }
  .hero-art { max-width: 520px; margin-inline: auto; }
}

/* ---------- stats strip ---------- */

.stats {
  list-style: none; margin: 0; padding: 0;
  display: grid; grid-template-columns: repeat(4, 1fr);
  border: 1px solid var(--line-strong); border-radius: var(--radius);
  background: var(--surface); box-shadow: var(--shadow);
  margin-top: -2.2rem; position: relative; z-index: 2;
}
.stats li { padding: 1.15rem 1.3rem; border-left: 1px solid var(--line); }
.stats li:first-child { border-left: 0; }
.stats .num { display: block; font: 600 1.9rem/1.1 var(--serif-display); color: var(--ink); }
.stats .lbl { display: block; font: 500 0.78rem/1.35 var(--mono); color: var(--muted); letter-spacing: 0.05em; text-transform: uppercase; margin-top: 0.3rem; }
@media (max-width: 720px) {
  .stats { grid-template-columns: repeat(2, 1fr); }
  .stats li:nth-child(3) { border-left: 0; }
  .stats li:nth-child(n+3) { border-top: 1px solid var(--line); }
}

/* ---------- sections ---------- */

.section { padding: 4rem 0; }
.section-tight { padding: 2.5rem 0; }
.section-head { display: flex; align-items: end; justify-content: space-between; gap: 1rem; flex-wrap: wrap; margin-bottom: 1.6rem; }
.section-head h2 { margin: 0; }
.section-head p { margin: 0; color: var(--muted); }
.more { font: 600 0.92rem var(--sans); }

.grid-3 { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1.25rem; }
.grid-2 { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.25rem; }
@media (max-width: 900px) { .grid-3 { grid-template-columns: 1fr 1fr; } }
@media (max-width: 640px) { .grid-3, .grid-2 { grid-template-columns: 1fr; } }

.card {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 1.4rem 1.4rem 1.3rem; box-shadow: var(--shadow);
  display: flex; flex-direction: column;
}
.card h3 { margin-bottom: 0.35rem; }
.card h3 a { color: inherit; text-decoration: none; }
.card h3 a:hover { color: var(--foam); text-decoration: underline; }
.card .meta { font: 500 0.8rem/1.4 var(--mono); color: var(--muted); margin-bottom: 0.7rem; }
.card p:last-child { margin-bottom: 0; }
.card .card-foot { margin-top: auto; padding-top: 0.6rem; font: 600 0.9rem var(--sans); }

/* lighthouse of the month */
.lotm {
  display: grid; grid-template-columns: 280px 1fr; gap: 2rem; align-items: center;
  background: var(--surface); border: 1px solid var(--line-strong); border-radius: 14px;
  padding: 2rem; box-shadow: var(--shadow); position: relative; overflow: hidden;
}
.lotm::after {
  content: ""; position: absolute; inset: 8px; border: 1px solid var(--line); border-radius: 9px; pointer-events: none;
}
.lotm-art { width: 100%; height: auto; }
.lotm h2 { margin-bottom: 0.2rem; }
.lotm .place { font: 500 0.85rem var(--mono); color: var(--muted); margin-bottom: 1rem; }
@media (max-width: 760px) { .lotm { grid-template-columns: 1fr; padding: 1.4rem; } .lotm-art { max-width: 220px; } }

.facts {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 0; margin: 1.1rem 0; border: 1px solid var(--line); border-radius: 8px; overflow: hidden;
}
.facts div { padding: 0.65rem 0.85rem; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); margin: -0 -1px -1px 0; }
.facts dt { font: 500 0.7rem/1.2 var(--mono); text-transform: uppercase; letter-spacing: 0.08em; color: var(--muted); }
.facts dd { margin: 0.2rem 0 0; font: 600 1rem/1.3 var(--serif-display); }
.facts dd code { font-weight: 600; font-size: 0.92rem; color: var(--brass); }

.quote-band {
  border-block: 1px solid var(--line);
  padding: 2.5rem 0; text-align: center;
}
.quote-band blockquote { margin: 0 auto; max-width: 46rem; font: italic 400 1.45rem/1.5 var(--serif-display); color: var(--ink); }
.quote-band cite { display: block; margin-top: 0.8rem; font: 500 0.82rem var(--mono); color: var(--muted); font-style: normal; }

/* ---------- page head (cartouche) ---------- */

.page-head { padding: 3.2rem 0 1rem; }
.cartouche {
  position: relative; overflow: hidden;
  background: var(--surface); border: 1px solid var(--line-strong); border-radius: 14px;
  padding: 2.4rem 2.4rem 2.2rem; box-shadow: var(--shadow);
}
.cartouche::before {
  content: ""; position: absolute; inset: 7px; border: 1px solid var(--line); border-radius: 9px; pointer-events: none;
}
.cartouche .rose {
  position: absolute; right: -40px; top: 50%; transform: translateY(-50%);
  width: 300px; height: 300px; color: var(--foam); opacity: 0.18; pointer-events: none;
}
.cartouche h1 { margin-bottom: 0.3em; position: relative; }
.cartouche .lede { font-size: 1.16rem; color: var(--ink-soft); max-width: 44rem; margin: 0; position: relative; }
.cartouche .kicker { position: relative; }
@media (max-width: 640px) {
  .cartouche { padding: 1.6rem 1.25rem; }
  .cartouche .rose { width: 200px; height: 200px; right: -60px; top: 30%; }
}

/* ---------- prose ---------- */

.prose { max-width: var(--read); }
.prose h2 { margin-top: 2.4rem; }
.prose h3 { margin-top: 1.8rem; }
.prose ul, .prose ol { padding-left: 1.3rem; }
.prose li { margin-bottom: 0.35rem; }
.prose blockquote {
  margin: 1.6rem 0; padding: 0.4rem 0 0.4rem 1.2rem;
  border-left: 3px solid var(--amber); font-style: italic; color: var(--ink-soft);
}
.dropcap::first-letter {
  float: left; font: 600 3.6rem/0.85 var(--serif-display);
  color: var(--brass); margin: 0.35rem 0.5rem 0 0;
}

.aside-note {
  background: var(--surface-2); border: 1px dashed var(--line-strong); border-radius: 8px;
  padding: 1rem 1.15rem; font-size: 0.97rem; color: var(--ink-soft);
}
.aside-note strong { color: var(--ink); }

/* ---------- atlas ---------- */

.atlas-tools { position: sticky; top: 4.3rem; z-index: 5; padding: 0.9rem 0 0.2rem; background: linear-gradient(var(--bg) 75%, transparent); }
.atlas-count { font: 500 0.85rem var(--mono); color: var(--muted); margin: -0.6rem 0 1rem; }
.region { padding: 1.4rem 0 1.6rem; }
.region[hidden] { display: none; }
.region-head { display: flex; align-items: baseline; gap: 0.9rem; flex-wrap: wrap; border-bottom: 1px solid var(--line-strong); padding-bottom: 0.6rem; margin-bottom: 1.3rem; }
.region-head h2 { margin: 0; }
.region-head p { margin: 0; color: var(--muted); font-size: 0.98rem; }

.lh-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 300px), 1fr)); gap: 1.2rem; }
.lh-card {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  box-shadow: var(--shadow); padding: 1.3rem 1.3rem 1.1rem; display: flex; flex-direction: column;
  position: relative;
}
.lh-card::before {
  content: ""; position: absolute; left: 0; top: 18px; bottom: 18px; width: 3px; border-radius: 0 3px 3px 0;
  background: var(--amber); opacity: 0.85;
}
.lh-card:target { outline: 2px solid var(--amber); outline-offset: 3px; }
.lh-pos { font: 500 0.74rem/1 var(--mono); color: var(--muted); letter-spacing: 0.05em; margin: 0 0 0.6rem; }
.lh-card h3 { margin: 0 0 0.15rem; }
.lh-place { margin: 0 0 0.8rem; font: 500 0.88rem var(--sans); color: var(--ink-soft); }
.lh-facts { display: grid; grid-template-columns: auto auto 1fr; gap: 0; margin: 0 0 0.9rem; border-block: 1px solid var(--line); }
.lh-facts div { padding: 0.5rem 0.8rem 0.5rem 0; margin-right: 0.8rem; border-right: 1px solid var(--line); }
.lh-facts div:last-child { border-right: 0; margin-right: 0; }
.lh-facts dt { font: 500 0.68rem/1.2 var(--mono); text-transform: uppercase; letter-spacing: 0.08em; color: var(--muted); }
.lh-facts dd { margin: 0.15rem 0 0; font: 600 0.95rem/1.3 var(--serif-display); }
.lh-facts dd code { color: var(--brass); font-weight: 600; font-size: 0.86rem; }
.lh-card p { font-size: 0.98rem; }
.lh-foot { margin-top: auto; display: flex; justify-content: space-between; align-items: center; gap: 0.6rem; flex-wrap: wrap; padding-top: 0.4rem; font: 500 0.8rem var(--mono); color: var(--muted); }
.lh-foot a { font: 600 0.85rem var(--sans); }

/* ---------- keepers ---------- */

.toc { list-style: none; padding: 0; margin: 0; display: grid; gap: 0.6rem; grid-template-columns: repeat(auto-fill, minmax(min(100%, 330px), 1fr)); }
.toc a {
  display: flex; gap: 0.9rem; align-items: baseline; text-decoration: none; color: var(--ink);
  background: var(--surface); border: 1px solid var(--line); border-radius: 8px; padding: 0.85rem 1rem;
}
.toc a:hover { border-color: var(--foam); color: var(--ink); }
.toc .no { font: 600 0.82rem var(--mono); color: var(--brass); }
.toc .t { font: 600 1.05rem/1.3 var(--serif-display); display: block; }
.toc .s { font: 400 0.85rem var(--sans); color: var(--muted); }

.story { padding: 3rem 0; border-top: 1px solid var(--line-strong); }
.story-head { max-width: var(--read); margin-bottom: 1.5rem; }
.story-head .no { font: 600 0.8rem var(--mono); color: var(--brass); letter-spacing: 0.12em; text-transform: uppercase; }
.story-head h2 { margin: 0.3rem 0 0.4rem; }
.story-head .where { font: 500 0.88rem var(--mono); color: var(--muted); margin: 0; }
.story .back { font: 600 0.88rem var(--sans); }

/* ---------- signals ---------- */

.demo {
  display: grid; grid-template-columns: 260px 1fr; gap: 2rem;
  background: var(--night); color: var(--night-ink); border-radius: 14px; padding: 2rem;
  border: 1px solid rgba(217, 151, 42, 0.45); box-shadow: var(--shadow);
  background-image:
    linear-gradient(rgba(143, 211, 193, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(143, 211, 193, 0.06) 1px, transparent 1px);
  background-size: 32px 32px;
}
.demo h2, .demo h3 { color: #fbf6e8; }
.demo a { color: #9fe0cf; }
.demo-lamp { width: 100%; max-width: 260px; height: auto; display: block; margin-inline: auto; }
.demo-lamp .glow { transition: opacity 0.12s linear; }
.demo-lamp .lamp { transition: fill 0.12s linear; }
.demo fieldset { border: 0; margin: 0 0 1rem; padding: 0; }
.demo legend { font: 600 0.8rem var(--mono); text-transform: uppercase; letter-spacing: 0.1em; color: #e8c27a; margin-bottom: 0.7rem; padding: 0; }
.radio-chips { display: flex; flex-wrap: wrap; gap: 0.45rem; }
.radio-chips label { cursor: pointer; }
.radio-chips input { position: absolute; opacity: 0; width: 1px; height: 1px; }
.radio-chips span {
  display: inline-block; font: 500 0.84rem/1 var(--mono); padding: 0.55rem 0.75rem;
  border: 1px solid rgba(236, 230, 214, 0.3); border-radius: 6px; color: var(--night-ink);
}
.radio-chips label:hover span { border-color: #9fe0cf; }
.radio-chips input:checked + span { background: var(--beam); color: #1a1405; border-color: var(--beam); }
.radio-chips input:focus-visible + span { outline: 3px solid var(--amber); outline-offset: 2px; }
.demo-row { display: flex; gap: 0.6rem; flex-wrap: wrap; align-items: end; margin-bottom: 1.1rem; }
.demo-row label { font: 500 0.82rem var(--sans); color: var(--night-muted); display: block; margin-bottom: 0.3rem; }
.demo-row input[type="text"] {
  font: 500 1rem var(--mono); padding: 0.6rem 0.75rem; border-radius: 6px; width: 15rem; max-width: 100%;
  background: #08172a; color: #fff; border: 1px solid rgba(236, 230, 214, 0.35);
}
.demo-row .btn { padding: 0.62rem 1rem; }
.demo-readout { font: 600 1.4rem/1.2 var(--mono); color: var(--beam); margin: 0 0 0.3rem; }
.demo-desc { color: var(--night-muted); margin: 0 0 1rem; min-height: 3.2em; }
.demo-error { color: #ffb4a8; font: 500 0.9rem var(--sans); min-height: 1.3em; margin: 0.2rem 0 0; }
.timeline { width: 100%; height: auto; display: block; margin-top: 0.6rem; }
.timeline-cap { font: 500 0.75rem var(--mono); color: var(--night-muted); display: flex; justify-content: space-between; margin-top: 0.3rem; }
@media (max-width: 820px) { .demo { grid-template-columns: 1fr; padding: 1.3rem; } .demo-lamp { max-width: 180px; } }

.table-wrap { overflow-x: auto; margin: 1.2rem 0 1.8rem; border: 1px solid var(--line); border-radius: 8px; background: var(--surface); }
table { width: 100%; border-collapse: collapse; font-size: 0.97rem; }
th, td { text-align: left; padding: 0.7rem 0.9rem; border-bottom: 1px solid var(--line); vertical-align: top; }
thead th { font: 600 0.75rem var(--mono); text-transform: uppercase; letter-spacing: 0.08em; color: var(--muted); background: var(--surface-2); }
tbody tr:last-child td, tbody tr:last-child th { border-bottom: 0; }
td code, th code { color: var(--brass); font-weight: 600; white-space: nowrap; }

.anatomy { display: flex; flex-wrap: wrap; gap: 0.35rem; font: 600 1.5rem var(--mono); margin: 1.2rem 0 0.4rem; }
.anatomy span { padding: 0.35rem 0.6rem; border-radius: 6px; background: var(--surface); border: 1px solid var(--line-strong); color: var(--brass); }

.daymarks { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 1rem; list-style: none; padding: 0; margin: 1.4rem 0; }
.daymarks li { background: var(--surface); border: 1px solid var(--line); border-radius: 10px; padding: 1rem; text-align: center; }
.daymarks svg { width: 70px; height: 140px; display: block; margin: 0 auto 0.6rem; }
.daymarks strong { display: block; font: 600 1rem var(--serif-display); }
.daymarks span { font: 400 0.85rem var(--sans); color: var(--muted); }

/* ---------- journal ---------- */

.year-nav { display: flex; flex-wrap: wrap; gap: 0.4rem; list-style: none; padding: 0; margin: 0 0 2rem; }
.year-nav a { font: 600 0.9rem var(--mono); padding: 0.45rem 0.75rem; border: 1px solid var(--line-strong); border-radius: 6px; text-decoration: none; color: var(--ink); background: var(--surface); }
.year-nav a:hover { border-color: var(--foam); }

.log { position: relative; max-width: 50rem; }
.log::before { content: ""; position: absolute; left: 7px; top: 0.6rem; bottom: 0; width: 2px; background: repeating-linear-gradient(var(--line-strong) 0 6px, transparent 6px 11px); }
.year-mark { font: 600 1.8rem var(--serif-display); color: var(--brass); margin: 2.4rem 0 1rem 2.2rem; }
.entry { position: relative; padding-left: 2.2rem; margin-bottom: 2.2rem; }
.entry::before {
  content: ""; position: absolute; left: 0; top: 0.5rem; width: 16px; height: 16px; border-radius: 50%;
  background: var(--bg); border: 3px solid var(--amber);
}
.entry-card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 1.3rem 1.4rem 1.1rem; box-shadow: var(--shadow); }
.entry time { font: 600 0.82rem var(--mono); color: var(--brass); letter-spacing: 0.04em; }
.entry h3 { font-size: 1.45rem; margin: 0.25rem 0 0.6rem; }
.entry-meta { display: flex; flex-wrap: wrap; gap: 0.4rem 1.2rem; margin: 0 0 0.9rem; padding: 0; list-style: none; font: 500 0.82rem var(--mono); color: var(--muted); }
.entry-meta b { color: var(--ink-soft); font-weight: 600; }
.entry p:last-child { margin-bottom: 0; }

/* ---------- visit ---------- */

.tip-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 260px), 1fr)); gap: 1.1rem; margin: 1.4rem 0 2rem; }
.tip { background: var(--surface); border: 1px solid var(--line); border-radius: 10px; padding: 1.15rem 1.2rem; }
.tip h3 { font-size: 1.1rem; display: flex; align-items: center; gap: 0.5rem; }
.tip h3 svg { width: 22px; height: 22px; color: var(--foam); flex: none; }
.tip p { font-size: 0.97rem; margin: 0; }

.checklist { list-style: none; padding: 0; margin: 1rem 0; columns: 2 260px; column-gap: 2rem; }
.checklist li { break-inside: avoid; margin-bottom: 0.4rem; }
.checklist label { display: flex; gap: 0.65rem; align-items: flex-start; cursor: pointer; padding: 0.35rem 0.2rem; border-radius: 6px; }
.checklist label:hover { background: var(--foam-soft); }
.checklist input { width: 1.15rem; height: 1.15rem; margin-top: 0.28rem; accent-color: var(--foam); flex: none; }
.checklist input:checked + span { text-decoration: line-through; text-decoration-color: var(--amber); color: var(--muted); }
.checklist-tools { display: flex; gap: 1rem; align-items: center; flex-wrap: wrap; font: 500 0.88rem var(--sans); color: var(--muted); }

/* ---------- about ---------- */

.about-grid { display: grid; grid-template-columns: 1fr 300px; gap: 3rem; align-items: start; }
.about-side { position: sticky; top: 6rem; }
.portrait { width: 100%; height: auto; border-radius: 12px; border: 1px solid var(--line-strong); background: var(--surface); }
@media (max-width: 860px) { .about-grid { grid-template-columns: 1fr; } .about-side { position: static; max-width: 340px; } }
.contact-card { background: var(--surface); border: 1px solid var(--line-strong); border-radius: 10px; padding: 1.2rem; margin-top: 1rem; }
.contact-card p { font-size: 0.95rem; }
.contact-card a.mail { font: 600 1rem var(--mono); word-break: break-all; }

/* ---------- 404 ---------- */

.lost { text-align: center; padding: 5rem 0 4rem; }
.lost .rose-big { width: 220px; height: 220px; color: var(--foam); opacity: 0.6; margin: 0 auto 1.4rem; display: block; animation: drift 14s ease-in-out infinite alternate; }
@keyframes drift { from { transform: rotate(-12deg); } to { transform: rotate(14deg); } }
.lost .code { font: 600 0.9rem var(--mono); letter-spacing: 0.16em; color: var(--brass); }
.lost p { max-width: 34rem; margin-inline: auto; color: var(--ink-soft); }
.lost .hero-actions { justify-content: center; }

/* ---------- footer ---------- */

.site-footer {
  margin-top: 4rem; border-top: 3px double var(--line-strong);
  background: var(--surface-2); color: var(--ink-soft); font-size: 0.95rem;
}
.footer-inner { display: grid; grid-template-columns: 90px 1.4fr 1fr; gap: 2rem; padding: 2.6rem 0 1.6rem; align-items: start; }
.footer-rose { width: 84px; height: 84px; color: var(--brass); opacity: 0.85; }
.footer-title { font: 600 1.2rem var(--serif-display); color: var(--ink); margin-bottom: 0.4rem; }
.footer-links { list-style: none; padding: 0; margin: 0; columns: 2; column-gap: 1.5rem; font: 500 0.92rem var(--sans); }
.footer-links li { margin-bottom: 0.35rem; }
.footer-base { border-top: 1px solid var(--line); padding: 1rem 0 1.6rem; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 0.6rem; font: 500 0.78rem var(--mono); color: var(--muted); }
@media (max-width: 760px) { .footer-inner { grid-template-columns: 1fr; gap: 1.2rem; } .footer-rose { width: 64px; height: 64px; } }